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Browsing by Author "Attar, Ibrahim"

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    Master Thesis
    Efficient decoding of block codes in DVB-S2 standard
    (2015) Attar, Ibrahim
    In this thesis work, decoding algorithms for BCH and LDPC codes used in DVB-S2 standard are implemented in MATLAB environment. For the decoding of LDPC codes, soft decision based belief propagation algorithm is used and for the decoding of BCH codes, a new recently developed technique, which is called soft decoding based on error magnitudes, is employed. The new approach has lower complexity compared to its counterparts and easy to implement in hardware and for this reason it can be used in future DVB-S2 standards. Bit error rate performance graphs for the decoding algorithms are obtained via computer simulation in MATLAB environment